diff -Naur libmad-0.15.1b-orig/configure.ac libmad-0.15.1b/configure.ac
--- libmad-0.15.1b-orig/configure.ac	2007-07-01 12:58:13.000000000 -0600
+++ libmad-0.15.1b/configure.ac	2007-07-01 12:59:13.000000000 -0600
@@ -105,7 +105,7 @@
 	    shift
 	    ;;
 	-O2)
-	    optimize="-O"
+	    optimize="-O2"
 	    shift
 	    ;;
 	-fomit-frame-pointer)
